Transcription of DESIGN & ENGINEERING DATA
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DESIGN & ENGINEERING DATA
54 Plastics Technical ManualSupport Spacing For ABS and PVC PipeAdequate support for any piping system is a matter of great importance. In practice, support spacings are a function of pipe size, operating temperatures, the location of heavy valves or fittings, and the mechanical properties of the pipe ensure the satisfactory operation of a DWV or pressure piping system, the location and type of hangers should be carefully considered. The principles of DESIGN for metallic piping systems are generally also applicable to DWV or pressure piping systems, but with some notable areas where special consideration should be exercised. Hangers should not compress, distort, cut or abrade the piping should be supported with an approved hanger at intervals sufficiently close to maintain correct pipe alignment and to prevent sagging or grade reversal.
determined by the maximum operating temperature the system will encounter. The piping should be supported on uniform centers with supports that do not restrict the axial movement. (7) For vertical lines, it is recommended that an engineer design the vertical supports according to the vertical load ... 2 4 2 7 7 7 61 ⁄ 2 6 31⁄ 2 71⁄ 2 7 6 ...
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